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2112210221202 = 2322112087266477
BaseRepresentation
bin11110101111001001100…
…010100011100010010010
321110220222120011200211200
4132233021202203202102
5234101301304034302
64254200323252030
7305413352435064
oct36571142434222
97426876150750
102112210221202
11744868671894
122a143ab1a016
13124246931073
1474335411734
1539e2416081c
hex1ebc98a3892

2112210221202 has 48 divisors (see below), whose sum is σ = 4600365337152. Its totient is φ = 700394859360.

The previous prime is 2112210221179. The next prime is 2112210221213. The reversal of 2112210221202 is 2021220122112.

It is a happy number.

2112210221202 is a `hidden beast` number, since 21 + 1 + 221 + 0 + 221 + 202 = 666.

It is a super-2 number, since 2×21122102212022 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7793188 + ... + 8059664.

It is an arithmetic number, because the mean of its divisors is an integer number (95840944524).

Almost surely, 22112210221202 is an apocalyptic number.

2112210221202 is an abundant number, since it is smaller than the sum of its proper divisors (2488155115950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112210221202 is a wasteful number, since it uses less digits than its factorization.

2112210221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268783 (or 268780 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112210221202 its reverse (2021220122112), we get a palindrome (4133430343314).

The spelling of 2112210221202 in words is "two trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 211 422 633 1266 1899 2087 3798 4174 6261 12522 18783 37566 266477 440357 532954 799431 880714 1321071 1598862 2398293 2642142 3963213 4796586 7926426 56226647 112453294 168679941 337359882 506039823 556137499 1012079646 1112274998 1668412497 3336824994 5005237491 10010474982 117345012289 234690024578 352035036867 704070073734 1056105110601 2112210221202